6 Proceedings of the Dumfriesshire and Galloway 



cal features observable in the Isle of Man. The paper was 

 accompanied by illustrative specimens. On the motion of 

 Mr. Dudgeon, seconded by Mr. Aird, a vote of thanks was 

 given to Mr. Grindley for his interesting communication. 



Dr. Grierson of Thornhill read a communication on a 

 species of Vole, the Arvicola Agrestis, which is at present 

 committing great ravages on the plantations of the Drum- 

 lanrig estate. Dr. Grierson pointed out that the indiscrim- 

 inate destruction of the weasels and birds of prey has allowed 

 the voles to usui-p supremacy, and without check lay waste 

 the woods and forests. Other species of Voles were exhi- 

 bited and described, one of which was considered to be new. 



Dr. Gilchrist exhibited specimens of Claystone Porphyry 

 from Goldielea hills, and Ripple Markings from Edgerton, 

 Kirkcudbright ; also a rare kind of Lichen, the Peltigera 

 Polydactyla, found in Longwood ; and Peizeia Cocernea, 

 found in Goldielea wood. He also made some observations 

 on the habits and colour of lichens as determined by the 

 nature of the rocks upon which they are found. Dr. Dickson 

 exhibited specimens of Apple Blossom, indicating the open- 

 ness of the season. Mr. Coupland showed specimens of 

 Photo-Lithographic Printing of a few pages of Shakspeare, 

 from an old type of the play of " As You Like it." This 

 concluded the business of the evening, and the meeting 

 adjourned. 



Donation — Transactions of the Nova Scotia Institute. 



February 7th, 1865. 



The Fourth Meeting of the Session was held in the 

 Society's Room, Assembly Street, 



Sir WM. JARDINE, Bart., in the Chair. 



The following New Members were enrolled : — Ordinary 



